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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
var EXPORTED_SYMBOLS = ["newAppInfo", "getAppInfo", "updateAppInfo"];
const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
let origPlatformInfo = Cc["@mozilla.org/xre/app-info;1"].getService(
Ci.nsIPlatformInfo
);
// eslint-disable-next-line mozilla/use-services
let origRuntime = Cc["@mozilla.org/xre/app-info;1"].getService(
Ci.nsIXULRuntime
);
/**
* Create new XULAppInfo instance with specified options.
*
* options is a object with following keys:
* ID: nsIXULAppInfo.ID
* name: nsIXULAppInfo.name
* version: nsIXULAppInfo.version
* platformVersion: nsIXULAppInfo.platformVersion
* OS: nsIXULRuntime.OS
* appBuildID: nsIXULRuntime.appBuildID
* lastAppBuildID: nsIXULRuntime.lastAppBuildID
* lastAppVersion: nsIXULRuntime.lastAppVersion
*
* crashReporter: nsICrashReporter interface is implemented if true
*/
var newAppInfo = function(options = {}) {
let appInfo = {
// nsIXULAppInfo
vendor: "Mozilla",
name: options.name ?? "xpcshell",
ID: options.ID ?? "xpcshell@tests.mozilla.org",
version: options.version ?? "1",
appBuildID: options.appBuildID ?? "20160315",
// nsIPlatformInfo
platformVersion: options.platformVersion ?? "p-ver",
platformBuildID: origPlatformInfo.platformBuildID,
// nsIXULRuntime
...Ci.nsIXULRuntime,
inSafeMode: false,
logConsoleErrors: true,
OS: options.OS ?? "XPCShell",
XPCOMABI: "noarch-spidermonkey",
invalidateCachesOnRestart() {},
shouldBlockIncompatJaws: false,
processType: origRuntime.processType,
uniqueProcessID: origRuntime.uniqueProcessID,
fissionAutostart: origRuntime.fissionAutostart,
browserTabsRemoteAutostart: origRuntime.browserTabsRemoteAutostart,
get maxWebProcessCount() {
return origRuntime.maxWebProcessCount;
},
get launcherProcessState() {
return origRuntime.launcherProcessState;
},
// nsIWinAppHelper
get userCanElevate() {
return false;
},
};
appInfo.lastAppBuildID = options.lastAppBuildID ?? appInfo.appBuildID;
appInfo.lastAppVersion = options.lastAppVersion ?? appInfo.version;
let interfaces = [Ci.nsIXULAppInfo, Ci.nsIPlatformInfo, Ci.nsIXULRuntime];
if ("nsIWinAppHelper" in Ci) {
interfaces.push(Ci.nsIWinAppHelper);
}
if (options.crashReporter) {
// nsICrashReporter
appInfo.annotations = {};
appInfo.annotateCrashReport = function(key, data) {
this.annotations[key] = data;
};
interfaces.push(Ci.nsICrashReporter);
}
appInfo.QueryInterface = ChromeUtils.generateQI(interfaces);
return appInfo;
};
var currentAppInfo = newAppInfo();
/**
* Obtain a reference to the current object used to define XULAppInfo.
*/
var getAppInfo = function() {
return currentAppInfo;
};
/**
* Update the current application info.
*
* See newAppInfo for options.
*
* To change the current XULAppInfo, simply call this function. If there was
* a previously registered app info object, it will be unloaded and replaced.
*/
var updateAppInfo = function(options) {
currentAppInfo = newAppInfo(options);
let id = Components.ID("{fbfae60b-64a4-44ef-a911-08ceb70b9f31}");
let contractid = "@mozilla.org/xre/app-info;1";
let registrar = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
// Unregister an existing factory if one exists.
try {
let existing = Components.manager.getClassObjectByContractID(
contractid,
Ci.nsIFactory
);
registrar.unregisterFactory(id, existing);
} catch (ex) {}
let factory = {
createInstance(outer, iid) {
if (outer != null) {
throw Components.Exception("", Cr.NS_ERROR_NO_AGGREGATION);
}
return currentAppInfo.QueryInterface(iid);
},
};
Services.appinfo = currentAppInfo;
registrar.registerFactory(id, "XULAppInfo", contractid, factory);
};
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